atomic weight

noun

Definition of atomic weight

:the mass of one atom of an element; specifically :the average mass of an atom of an element as it occurs in nature that is expressed in atomic mass units — see Chemical Elements Table

First Known Use of atomic weight

1819


Medical Dictionary

atomic weight

noun

medical Definition of atomic weight

:the mass of one atom of an element; specifically :the average mass of an atom of an element as it occurs in nature that is expressed in atomic mass units — see Chemical Elements Table

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